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Analysis of supercooling-facilitating (anti-ice nucleation) activity of flavonol glycosides

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タイトル: Analysis of supercooling-facilitating (anti-ice nucleation) activity of flavonol glycosides
著者: Kasuga, Jun 著作を一覧する
Fukushi, Yukiharu 著作を一覧する
Kuwabara, Chikako 著作を一覧する
Wang, Donghui 著作を一覧する
Nishioka, Atsushi 著作を一覧する
Fujikawa, Emiko 著作を一覧する
Arakawa, Keita 著作を一覧する
Fujikawa, Seizo 著作を一覧する
キーワード: Flavonol glycosides
Supercooling-facilitating (anti-ice nucleation) activity
Xylem parenchyma cells
Deep supercooling
発行日: 2010年 4月
出版者: Elsevier
誌名: Cryobiology
巻: 60
号: 2
開始ページ: 240
終了ページ: 243
出版社 DOI: 10.1016/j.cryobiol.2009.12.004
抄録: Deep Supercooling xylem parenchyma cells (XPCs) of katsura tree (Cercidiphyllum japonicum) contain four kinds of flavonol glycosides with high supercooling-facilitating (anti-ice nucleation) activities. These flavonol glycosides have very similar structures, but their supercooling-facilitating activities are very different. In this study, we analyzed the supercooling-facilitating activities of 12 kinds of flavonol glycosides in order to determine the chemical structures that might affect supercooling-facilitating activity. All of the flavonol glycosides tested showed supercooling-facilitating activity, although the magnitudes of activity differed among the compounds. It was clear that the combination of the position of attachment of the glycosyl moiety, the kind of attached glycosyl moiety and the structure of aglycone determined the magnitude of anti-ice nucleation activity. However, there is still some ambiguity preventing the exact identification of features that affect the magnitude of supercooling-facilitating activity.
資料タイプ: article (author version)
URI: http://hdl.handle.net/2115/42911
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 藤川 清三

 

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